Datasheet

LT1965 Series
8
1965fb
For more information www.linear.com/LT1965
typical perForMance characteristics
LT1965-2.5 GND Pin Current
(Light Load)
LT1965-2.5 GND Pin Current
(Heavy Load)
LT1965-3.3 GND Pin Current
(Light Load)
LT1965-3.3 GND Pin Current
(Heavy Load)
LT1965 GND Pin Current
(Light Load)
LT1965 GND Pin Current
(Heavy Load)
GND Pin Current vs I
LOAD
SHDN Pin Threshold
0
GND PIN CURRENT (mA)
0.4
0.8
1.2
1.6
2.0
0.2
0.6
1.0
1.4
1.8
1965 G23
INPUT VOLTAGE (V)
0 82 4 6 1071 3 5 9
T
J
= 25°C
V
SHDN
= V
IN
*FOR V
OUT
= 1.2V
R
L
= 24Ω, I
L
= 50mA*
R
L
= 120Ω, I
L
= 10mA*
R
L
= 1.2k, I
L
= 1mA*
0
GND PIN CURRENT (mA)
5
10
15
20
25
1965 G24
INPUT VOLTAGE (V)
0 82 4 6 1071 3 5 9
T
J
= 25°C
V
SHDN
= V
IN
*FOR V
OUT
= 1.2V
R
L
= 1.091Ω, I
L
= 1.1A*
R
L
= 2.4Ω, I
L
= 500mA*
R
L
= 12Ω, I
L
= 100mA*
LOAD CURRENT (A)
0
0
GND PIN CURRENT (mA)
5.00
10.0
15.0
0.2
0.4
0.6 0.8 1.0
20.0
25.0
2.50
7.50
12.5
17.5
22.5
1.2
1965 G25
V
IN
= V
OUT(NOMINAL)
+ 1V
0
SHDN PIN THRESHOLD (V)
0.2
0.4
0.6
0.8
1.0
0.1
0.3
0.5
0.7
0.9
1965 G26
TEMPERATURE (°C)
–50 –25 0 25 50 75 125100 150
OFF TO ON
ON TO OFF
0
GND PIN CURRENT (mA)
2
4
8
12
6
10
1965 G19
INPUT VOLTAGE (V)
0 1 2 3 4 5 6 7 8 9 10
T
J
= 25°C
V
SHDN
= V
IN
*FOR V
OUT
= 2.5V
R
L
= 250Ω, I
L
= 10mA*
R
L
= 50Ω, I
L
= 50mA*
R
L
= 2.5k, I
L
= 1mA*
0
GND PIN CURRENT (mA)
5
15
25
10
20
1965 G20
INPUT VOLTAGE (V)
0 1 2 3 4 5 6 7 8 9 10
T
J
= 25°C
V
SHDN
= V
IN
*FOR V
OUT
= 2.5V
R
L
= 5Ω, I
L
= 500mA*
R
L
= 25Ω, I
L
= 100mA*
R
L
= 2.272Ω, I
L
= 1.1A*
0
GND PIN CURRENT (mA)
2
4
8
12
6
10
1965 G21
INPUT VOLTAGE (V)
0 1 2 3 4 5 6 7 8 9 10
T
J
= 25°C
V
SHDN
= V
IN
*FOR V
OUT
= 3.3V
R
L
= 330Ω, I
L
= 10mA*
R
L
= 66Ω, I
L
= 50mA*
R
L
= 3.3k, I
L
= 1mA*
0
GND PIN CURRENT (mA)
5
15
25
10
20
1965 G22
INPUT VOLTAGE (V)
0 1 2 3 4 5 6 7 8 9 10
T
J
= 25°C
V
SHDN
= V
IN
*FOR V
OUT
= 3.3V
R
L
= 6.6Ω, I
L
= 500mA*
R
L
= 33Ω, I
L
= 100mA*
R
L
= 3Ω, I
L
= 1.1A*